java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-lit/bhmr2007.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:14,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:14,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:14,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:14,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:14,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:14,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:14,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:14,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:14,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:14,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:14,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:14,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:14,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:14,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:14,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:14,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:14,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:14,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:14,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:14,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:14,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:14,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:14,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:14,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:14,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:14,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:14,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:14,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 04:44:14,901 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:14,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:14,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:14,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:14,904 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:14,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:14,904 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:14,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:14,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:14,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:14,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:14,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:14,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:14,906 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:14,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:14,908 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:14,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:14,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:14,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:14,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:14,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:14,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:14,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:14,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:14,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:14,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:14,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:14,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:14,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:44:15,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:15,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:15,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:15,262 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:15,263 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:15,264 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/bhmr2007.i [2019-10-15 04:44:15,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e9f7c3c2/d76d02d6b1e445b9a929e0f7d0ac5c7a/FLAGf06473d6b [2019-10-15 04:44:15,821 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:15,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/bhmr2007.i [2019-10-15 04:44:15,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e9f7c3c2/d76d02d6b1e445b9a929e0f7d0ac5c7a/FLAGf06473d6b [2019-10-15 04:44:16,192 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e9f7c3c2/d76d02d6b1e445b9a929e0f7d0ac5c7a [2019-10-15 04:44:16,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:16,202 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:16,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:16,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:16,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:16,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:16" (1/1) ... [2019-10-15 04:44:16,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e9bc88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:16, skipping insertion in model container [2019-10-15 04:44:16,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:16" (1/1) ... [2019-10-15 04:44:16,221 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:16,240 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:16,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:16,388 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:16,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:16,420 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:16,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:16 WrapperNode [2019-10-15 04:44:16,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:16,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:16,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:16,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:16,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:16" (1/1) ... [2019-10-15 04:44:16,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:16" (1/1) ... [2019-10-15 04:44:16,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:16" (1/1) ... [2019-10-15 04:44:16,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:16" (1/1) ... [2019-10-15 04:44:16,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:16" (1/1) ... [2019-10-15 04:44:16,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:16" (1/1) ... [2019-10-15 04:44:16,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:16" (1/1) ... [2019-10-15 04:44:16,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:16,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:16,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:16,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:16,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:16,785 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:16,785 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:44:16,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:16 BoogieIcfgContainer [2019-10-15 04:44:16,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:16,787 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:16,788 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:16,788 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:16,789 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:16" (1/1) ... [2019-10-15 04:44:16,812 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:17,118 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:17,139 INFO L272 AbstractInterpreter]: Visited 25 different actions 172 times. Merged at 8 different actions 67 times. Widened at 1 different actions 6 times. Performed 283 root evaluator evaluations with a maximum evaluation depth of 7. Performed 283 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 19 fixpoints after 2 different actions. Largest state had 7 variables. [2019-10-15 04:44:17,139 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:17,142 INFO L168 Benchmark]: Toolchain (without parser) took 939.35 ms. Allocated memory was 147.8 MB in the beginning and 203.4 MB in the end (delta: 55.6 MB). Free memory was 104.9 MB in the beginning and 151.6 MB in the end (delta: -46.7 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:17,143 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 123.0 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:17,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.83 ms. Allocated memory is still 147.8 MB. Free memory was 104.7 MB in the beginning and 95.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:17,146 INFO L168 Benchmark]: Boogie Preprocessor took 114.77 ms. Allocated memory was 147.8 MB in the beginning and 203.4 MB in the end (delta: 55.6 MB). Free memory was 95.3 MB in the beginning and 181.9 MB in the end (delta: -86.6 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:17,147 INFO L168 Benchmark]: RCFGBuilder took 249.99 ms. Allocated memory is still 203.4 MB. Free memory was 181.9 MB in the beginning and 171.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:17,148 INFO L168 Benchmark]: Abstract Interpretation took 351.71 ms. Allocated memory is still 203.4 MB. Free memory was 170.7 MB in the beginning and 151.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:17,152 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 123.0 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 218.83 ms. Allocated memory is still 147.8 MB. Free memory was 104.7 MB in the beginning and 95.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.77 ms. Allocated memory was 147.8 MB in the beginning and 203.4 MB in the end (delta: 55.6 MB). Free memory was 95.3 MB in the beginning and 181.9 MB in the end (delta: -86.6 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 249.99 ms. Allocated memory is still 203.4 MB. Free memory was 181.9 MB in the beginning and 171.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 351.71 ms. Allocated memory is still 203.4 MB. Free memory was 170.7 MB in the beginning and 151.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L11] int i, n, a, b; [L12] i = 0 [L12] a = 0 [L12] b = 0 [L12] n = __VERIFIER_nondet_int() [L13] COND FALSE !(!(n >= 0 && n <= 1000000)) [L14] COND FALSE !(i < n) [L24] CALL __VERIFIER_assert(a + b == 3*n) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...